physical education. n. (Education) training and practice in sports, gymnastics, etc, as in schools and colleges. Abbreviation: PE. physâ²ical educaâ²tion. n. instruction in sports, exercise, and hygiene, esp. as part of a school or college program.
3. Stress/injury. Stress on the tissues or any type of injury in the mouth can cause canker sores. Since the sores are actually tiny ulcers, they can be caused by any kind of hard brushing or eating something that can cause bruises or lead to tissue inflammation in the mouth.
Find more as we explore on the causes and how you can treat blood blister inside your mouth. Blood blisters inside the mouth are quite different from the normal blisters. The blisters contain more other fluids other than blood. There are number of reason behind the occurrence of blisters in your mouth. A mere trauma can cause blood blisters inside the mouth.